<?php
/*
 * This file is part of Big Picture Gallery (BPG).
 *
 * Big Picture Gallery (BPG) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Big Picture Gallery (BPG) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Big Picture Gallery (BPG).  If not, see <http://www.gnu.org/licenses/>.
 */

class Db{

  /*** Declare instance ***/
  private static $instance = NULL;

  /**
   *
   * the constructor is set to private so
   * so nobody can create a new instance using new
   *
   */
  private function __construct() {
    /*** maybe set the db name here later ***/
  }

  /**
   *
   * Return DB instance or create intitial connection
   *
   * @return object (PDO)
   *
   * @access public
   *
   */
  public static function getInstance() {

    if (!self::$instance) {
      self::$instance = new PDO("mysql:host=localhost;dbname=julien_pardo", 'root', '', array(
        PDO::ATTR_PERSISTENT => true
        ));
      self::$instance-> setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    }
    return self::$instance;
  }

  /**
   *
   * Like the constructor, we make __clone private
   * so nobody can clone the instance
   *
   */
  private function __clone(){
  }

}

?>
